Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
lang suong » bang suong, lang muong, lang song
suong tinh » duong tinh, song tinh, khuong tinh
hien hanh » dieu hanh
quan lang » quan hoang, gian lang, quan luan
tinh van » trinh van, dinh van, tinh va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien hanh) or (thi thanh)) - hanh trinh quan lang suong tinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (thi thanh)) - hanh trinh quan lang suong tinh van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (thi thanh)) - hanh trinh quan lang suong tinh van ban*.